Do not .UR in man

[nagisa]

seems to not work on OS X (or requires label, which would make link repeat twice on non-OS X)

Fixes #31432

[rust-highfive]

r? @brson

(rust_highfive has picked a reviewer for you, use r? to override)

[durka]

Missed the sourceware.org link.

[brson]

@bors r+ rollup

[bors]

📌 Commit 65921ca has been approved by brson

[bors]

⌛ Testing commit 65921ca with merge 982c138...

[bors]

💔 Test failed - auto-win-gnu-64-opt

[alexcrichton]

@bors: retry

On Sat, Feb 6, 2016 at 7:50 PM, bors notifications@github.com wrote:

[image: 💔] Test failed - auto-win-gnu-64-opt
http://buildbot.rust-lang.org/builders/auto-win-gnu-64-opt/builds/2984

—
Reply to this email directly or view it on GitHub
#31433 (comment).

[bors]

⌛ Testing commit 65921ca with merge b456367...

[bors]

💔 Test failed - auto-mac-64-opt

[nagisa]

@bors retry

[bors]

⌛ Testing commit 65921ca with merge f50fb15...

[bors]

☀️ Test successful - auto-linux-32-nopt-t, auto-linux-32-opt, auto-linux-64-debug-opt, auto-linux-64-nopt-t, auto-linux-64-opt, auto-linux-64-x-android-t, auto-linux-cross-opt, auto-linux-musl-64-opt, auto-mac-32-opt, auto-mac-64-nopt-t, auto-mac-64-opt, auto-mac-ios-opt, auto-win-gnu-32-nopt-t, auto-win-gnu-32-opt, auto-win-gnu-64-nopt-t, auto-win-gnu-64-opt, auto-win-msvc-32-opt, auto-win-msvc-64-opt